Hey Sacha, There's a ticket open on github which relates to general midi. Not sure if you've seen it, but it might be a good place to start.
https://github.com/hydrogen-music/hydrogen/issues/307 On Dec 17, 2015 6:28 PM, "Sacha Delanoue" <as...@shaac.me> wrote: > Hi Thijs, > > On 16/12/2015 10:55, Thijs van severen wrote: > > Concerning the C++11/14 question : i'm going to leave this to the experts > I have started developing without C++11 support. It is a bit annoying > but I will focus on the feature first, and maybe help to see what can be > done with C++14 later. I do not have any experience with Windows cross > compilation though. I’ll wait for Steve’s test at least. > > > > If you havent already done so i suggest you have a look at the wiki to > > get started, and feel free to ask questions via this list > > i'm working on a 'how to contribute to hydrogen using github' page > > < > https://github.com/hydrogen-music/hydrogen/wiki/How-to-contribute-code-using-Github > >, > > but it's not quite done yet : i need to add in the part about creating a > > branch for your specific feature (makes merging sooo much easier) > > I have found all that I was looking for in the wiki. I just looked you > github howto and I think it is well done, for all the unfamiliar to git > (and there are still so many). I have a lot of experience with git; > you’ll receive a neat and clean pull request in a separate branch, well > rebased and all. > > > 1 thing you will probably have to be careful about is the fact that > > hydrogen uses the 'position' of an instrument in the drumkit to > > determine the (midi) note and that there are very few (if any) 100% > > GM-compliant drumkits available in hydrogen > > so i guess that this will be crucial in generating a correct score > > I gathered that Hydrogen mapping to instrument was a bit peculiar when I > exported to midi, and all the note did not have the standard expected > mapping at all. Unless I am completely wrong, I found that the value of > an instrument is its position in the kit (for instance “kick” is > instrument 0 in GM kit), and is not at all related to the instrument > itself (for instance kick (bass drum) is not 36 as one could expect). > See https://en.wikipedia.org/wiki/General_MIDI#Percussion if you have no > idea of what I am talking about. > > Because of this, I was kind of under the impression, that there were > currently absolutely no way of knowing what an instrument really is. I > guess I could match the name, but then what could qualify to be a bass > drum? Would it have to be some kind of regex, stating that if the name > has “kick” or “bass drum” in it is a bass drum? > > Since it is a difficult problem, and not directly linked to LilyPond > directly (it would also be useful to generate standard MIDI), I though > that I could start to make it work for GM kit only, assuming that it was > widely used. But now you are telling me that it is not, so it may not be > a good decision. > > I’ll still continue to make it work for GM kit only for a start, and > then will generalize it, but I’m not sure how I will do it. I someone > has any idea regarding the subject I’m interested. Standard MIDI output > might be the next feature I’ll implement. One way to do the mapping may > simply be a dialog box where the user tell what is instrument really is > though. > > > > I have made good progress so far, and will expect to have a first GM-kit > only version soon. At the end of the year at worst. I got all the > information I needed from Hydrogen, so now I’m in fully known territory. > > Thanks for your input, > > -- > Sacha “Shaac” Delanoue > > > ------------------------------------------------------------------------------ > _______________________________________________ > Hydrogen-devel mailing list > Hydrogen-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/hydrogen-devel >
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